US6076768A - Second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa and method of converting such a seat - Google Patents

Second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa and method of converting such a seat Download PDF

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Publication number
US6076768A
US6076768A US09/249,557 US24955799A US6076768A US 6076768 A US6076768 A US 6076768A US 24955799 A US24955799 A US 24955799A US 6076768 A US6076768 A US 6076768A
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US
United States
Prior art keywords
seat
class
seater
external
armrests
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US09/249,557
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English (en)
Inventor
François Durand
Alain Guinot
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Alstom Transport SA
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Alstom Transport SA
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Publication date
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Assigned to ALSTOM TRANSPORT SA reassignment ALSTOM TRANSPORT SA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DURAND FRANCOIS, GUINOT ALAIN
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D33/00—Seats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/062—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable transversally slidable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
    • B64D11/0693—Width modification of seat assemblies, e.g. for class modification

Definitions

  • the present invention relates to first- and second-class seats, particularly for public transport vehicles, in general, and relates more specifically to a second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa, and to a method for converting such a seat.
  • an object of the invention is a second-class two-seater seat of a first predetermined width that can be converted into a first-class single-seater seat of a second predetermined width, and vice versa that will allow an area of a given class to be converted into an area of another class without removing seats.
  • the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa and the method of converting such a seat are as characterized below.
  • One advantage of the second-class two-seater seat that can be converted into a first-class single seater seat and vice versa and of the method of converting such a seat of the invention is that the time taken to convert an area from a given class into an area of another class is very short and allows the capacity of the train to be increased on the spot.
  • Another advantage of the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa and of the method of converting such a seat of the invention is that it offers an operator twice as many seats in the trailers initially designed solely for first class, this making it possible to alleviate the problems of variations in demand between weekends and weekdays for example.
  • Another advantage of the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa and of the method of converting such a seat of the invention is that it optimizes the number of seats offered on trains which do not change in terms of the number of trailers.
  • FIG. 1A is an overall view of a second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa in accordance with the invention, the seat being converted to form a second-class two-seater seat,
  • FIG. 2A is an overall view of a second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa in accordance with the invention, the seat being converted to form a first-class single-seater seat,
  • FIG. 1B is a front view of the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa in accordance with the invention depicted in FIG. 1A, in which the seat is converted to form a second-class two-seater seat,
  • FIG. 2B is an overall view of the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa in accordance with the invention depicted in FIG. 2A, in which the seat is converted to form a first-class single-seater seat,
  • FIG. 1C is an overall view of the chassis of the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa in accordance with the invention depicted in FIG. 1A, in which the seat is converted to form a second-class two-seater seat,
  • FIG. 2C is an overall view of the chassis of the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa in accordance with the invention depicted in FIG. 2A, in which the seat is converted to form a first-class single-seater seat,
  • FIG. 1D depicts a plan view of the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa in accordance with the invention depicted in FIG. 1A, in which the seat is converted to form a second-class two-seater seat,
  • FIG. 2D depicts a plan view of the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa in accordance with the invention depicted in FIG. 2A, in which the seat is converted to form a first-class single-seater seat,
  • FIG. 3A depicts the means of translating the armrests and seat cushions of the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa in accordance with the invention
  • FIGS. 1E, 2E, 1F, 2F, 1G, 2G, 1H, 2H, and 3B are views of the same type as the previous views and depicting the second preferred embodiment of the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa in accordance with the invention.
  • the present invention consists in keeping the seats that form the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa which has a given number of seating spaces and in changing the position of some of these seats so as to alter the width of the seat fixture.
  • the second-class two-seater seat of the invention is converted into a first-class single-seater seat by moving the seat cushions and armrests of the second-class two-seater seat further apart.
  • the first-class single-seater seat of the invention is converted into a second-class two-seater seat by moving the seat cushions and armrests of the first-class single-seater seat closer together.
  • the second-class two-seater seat 1 can be converted into a first-class single-seater seat and vice versa.
  • the second-class two-seater seat 1 that can be converted into a first-class single-seater seat comprises two seats 2 with two seat cushions 3 and three armrests 4, 4A.
  • the central armrest 4A arranged between each seat 2 is removed when the second-class two-seater seat is converted into a first-class single-seater seat and is then refitted when the first-class single-seater seat is converted into a second-class two-seater seat.
  • the second-class two-seater seat 1 that can be converted into a first-class single-seater seat comprises means 5 for translating at least one of the two seat cushions 3 and at least one of the two armrests 4.
  • the two seat cushions 3 and the two armrests 4 remain mutually aligned after translation.
  • FIGS. 1E, 2E, 1F, 2F, 1G, 2G, 1H, 2H and 3B are views of the same type as the previous views and depict the second preferred embodiment of the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa in accordance with the invention.
  • the second-class two-seater seat 1 that can be converted into a first-class single-seater seat comprises two seats 2 with two seat cushions 3 and three armrests 4, 4A.
  • the two seat cushions 3 are at least partially demountable and therefore comprise demountable part seat cushions 3A.
  • demountable part seat cushions 3A are preferably arranged near the centre of the second-class two-seater seat that can be converted into a first-class single-seater seat.
  • Another embodiment consists in arranging these demountable part seat cushions at the end of the second-class two-seater seat that can be converted into a first-class single-seater seat.
  • the demountable part seat cushions 3A are removed from the seat when the second-class two-seater seat is converted into a first-class single-seater seat, then refitted when the first-class single-seater seat is converted into a second-class two-seater seat.
  • the central armrest 4A arranged between each seat 2 is removed when the second-class two-seater seat is converted into a first-class single-seater seat and is then refitted when the first-class single-seater seat is converted into a second-class two-seater seat.
  • FIGS. 3A and 3B depict the means of translating the armrests and the seat cushions of the second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa in accordance with the invention.
  • the translations T of the seat cushions and of the armrests are achieved by means of translation means 5 so as to bring the seat cushions that are to be translated and the armrests that are to be translated closer together when the second-class two-seater seat is converted into a first-class single-seater seat, or so as to move the seat cushions that are to be translated and the armrests that are to be translated further apart when the first-class single-seater seat is converted into a second-class two-seater seat.
  • the seat is, for example, such that during the conversion, at least one seat cushion 3 is fixed, for example the seat cushion at one of the ends.
  • the means 5 for translating the seat cushions 3 that are to be translated and the armrests 4 that are to be translated are made up of a translation shaft 6 which can be rotated R and comprises a translation element 7 associated with each armrest 4 that is to be translated and each seat cushion 3 that is to be translated.
  • the translation elements 7 for the armrests 4 and the seat cushions 3 that are to be translated are made up of variable-pitch screws of which the screw pitch and length of the active region comprising the screw thread increases with the separation between the armrests 4 that are to be translated and the seat cushions 3 that are to be translated with respect to the fixed armrests 4 and seat cushions 3.
  • the screw threads of the translation elements 7 are either left-hand threads in the case of some of these translation elements 7 or right-hand threads in the case of the other translation elements 7, and depend on the transformation T that is to be achieved.
  • the seat according to the invention comprises a chassis 8 supporting the translation shaft 6 and at least one shaft 9 for guiding the armrests 4 that are to be translated and the seat cushions 3 that are to be translated.
  • the translation shaft 6 and the guide shafts 9 support armrest supports 10 that can move in terms of translation and seat cushion supports 11 that can move in terms of translation.
  • the moving armrest supports 10 that are to be translated are translated by means of the translation elements associated with each armrest that is to be translated.
  • the moving seat cushion supports 11 that are to be translated are translated by means of the translation elements 7 associated with each seat cushion that is to be translated.
  • the central armrest 4A arranged between each seat 2 is removed when the second-class two-seater seat is converted into a first-class single-seater seat.
  • This central armrest 4A can then be reused, for example on a first/second-class convertible two-seater seat when the seat is considered as a first-class two-seater seat and therefore needs two armrests per seating space.
  • the translational movement may either by motorized or manual.
  • variable-pitch screws linkages (not depicted) or a set of cams (not depicted).
  • Stops set the extreme positions of the various elements, overall locking being provided, for example by a catch or pawl system, making it possible to prevent any movement after manoeuvre.
  • the present invention also relates to a method of converting a second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa.
  • the method according to the invention comprises steps allowing:
  • the method according to the invention may comprise a step which consists in the fact that at least one demountable part seat cushion 3A is removed from the seat when the second-class two-seater seat is converted into a first-class single-seater seat then refitted when the first-class single-seater seat is converted into a second-class two-seater seat.
  • the method of converting a seat comprises a step which consists in rotating R the translation shaft 6 incorporated in the means 5 for translating the seat cushions 3 that are to be translated and the armrests 4 that are to be translated, by means of translation elements 7 associated with each armrest 4 that is to be translated and each seat cushion 3 that is to be translated.
  • the method of converting the seat comprises a step consisting in translating moving armrest supports 10 that are to be translated, by means of the translation elements 7 associated with each armrest hat is to be translated, and in translating moving eat cushion supports 11 that are to be translated, by means of the translation elements 7 associated with each seat cushion that is to be translated.
  • the second-class two-seater seat that can be converted into a first-class single-seater seat and that the method of converting this seat may be generalized to a second-class N-seater seat (where N is a whole number) that can be converted into a first-class N-1-seater seat and to a method of converting this seat.
  • a second-class three-seater seat that can be converted into a first-class two-seater seat and a method of converting such a seat may be produced.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Seats For Vehicles (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
US09/249,557 1998-02-12 1999-02-12 Second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa and method of converting such a seat Expired - Fee Related US6076768A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9801679A FR2774645B1 (fr) 1998-02-12 1998-02-12 Banquette deux places de seconde classe modulable en banquette une place de premiere classe et inversement et procede de transformation d'une telle banquette
FR9801679 1998-02-12

Publications (1)

Publication Number Publication Date
US6076768A true US6076768A (en) 2000-06-20

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Application Number Title Priority Date Filing Date
US09/249,557 Expired - Fee Related US6076768A (en) 1998-02-12 1999-02-12 Second-class two-seater seat that can be converted into a first-class single-seater seat and vice versa and method of converting such a seat

Country Status (8)

Country Link
US (1) US6076768A (fr)
EP (1) EP0936121B1 (fr)
JP (1) JPH11334699A (fr)
KR (1) KR100453663B1 (fr)
CA (1) CA2260313C (fr)
DE (1) DE69910859T2 (fr)
ES (1) ES2207128T3 (fr)
FR (1) FR2774645B1 (fr)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100453663B1 (ko) * 1998-02-12 2004-10-20 알스톰 트랜스포트 에스에이 일등석 n-1인승 시트와 이등석 n인승 시트 사이에서 전환 가능한 시트와 그 시트의 전환 방법
US20060238004A1 (en) * 2005-04-12 2006-10-26 Conner John P Modular seating system
US20070194174A1 (en) * 2005-09-07 2007-08-23 Jurgen Baumann Seating system for passenger service vehicles, for aircraft in particular
US20070267543A1 (en) * 2006-05-17 2007-11-22 Boren Kelly L Lightweight aircraft passenger seat with composite construction
US20080191533A1 (en) * 2005-04-22 2008-08-14 Poniatowski Jeffrey J Bench Seat with Movable Bolsters
US20100109413A1 (en) * 2008-10-31 2010-05-06 Kneller Heidi J Adjustable width seats
US20100109400A1 (en) * 2008-10-31 2010-05-06 Kneller Heidi J Adjustable width seats
US20100187894A1 (en) * 2006-12-22 2010-07-29 The Boeing Company Composite Seat Pan Structure For A Lightweight Aircraft Seat Assembly
US20120146373A1 (en) * 2010-12-09 2012-06-14 Delta Kogyo Co., Ltd. Seat structure
US20120146374A1 (en) * 2010-12-09 2012-06-14 Delta Kogyo Co., Ltd. Seat structure
US8550564B1 (en) 2010-04-01 2013-10-08 The Boeing Company Composite seat pan structure for a lightweight aircraft seat assembly
US20140145481A1 (en) * 2012-11-28 2014-05-29 The Boeing Company Adjustable seat assembly
USD750392S1 (en) 2013-08-20 2016-03-01 Encore Interiors, Inc. Aircraft seat
US9630717B2 (en) 2013-04-26 2017-04-25 Encore Interiors, Inc. Aircraft seating assembly with reduced spacing
US9764844B2 (en) 2015-04-13 2017-09-19 Encore Seats, Inc. Aircraft seating assembly
US10144515B2 (en) 2016-04-01 2018-12-04 Encore Seats, Inc. Aircraft seating assembly and components
GB2579809A (en) * 2018-12-14 2020-07-08 Safran Seats Gb Ltd A kit of parts for assembling an aircraft seat unit
US10988260B2 (en) * 2018-08-17 2021-04-27 Airbus Operations Gmbh Seat group arrangement for a passenger cabin of an aircraft

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DE102004017656A1 (de) * 2003-04-25 2004-11-25 Volkswagen Ag Fahrzeugsitz
KR100793732B1 (ko) * 2006-08-30 2008-01-10 현대로템 주식회사 전동식 운전석
DE102008023888A1 (de) * 2008-05-16 2009-11-19 GM Global Technology Operations, Inc., Detroit Fahrzeugsitz
FR3031333B1 (fr) * 2015-01-07 2017-02-10 Alstom Transp Tech Dispositif modulaire de support pour passagers, destine a equiper un vehicule de transport public
CN109204356A (zh) * 2018-08-25 2019-01-15 武安海 列车车厢内装置——防滑座椅,扶手杆
US11230382B2 (en) 2020-02-05 2022-01-25 B/E Aerospace, Inc. Combined divan aircraft seat for aircraft passenger compartment suites

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US5193765A (en) * 1989-04-06 1993-03-16 Magerik Ltd. Seating
DE4337941A1 (de) * 1993-11-06 1995-05-11 Keiper Recaro Gmbh Co Fluggastsitzreihe
US5509722A (en) * 1994-04-15 1996-04-23 Burns Aerospace Corporation Convertible passenger seat assembly and grouping of passenger seat assemblies
US5597139A (en) * 1994-04-15 1997-01-28 Burns Aerospace Corporation Convertible passenger seat assembly
US5727845A (en) * 1993-07-29 1998-03-17 Flight Equipment And Engineering Limited Armrest arrangements in convertible aircraft passenger seating

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FR2774645B1 (fr) * 1998-02-12 2003-12-05 Gec Alsthom Transport Sa Banquette deux places de seconde classe modulable en banquette une place de premiere classe et inversement et procede de transformation d'une telle banquette

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US5180120A (en) * 1988-09-08 1993-01-19 Simpson Leslie J Convertible aircraft seat
US5193765A (en) * 1989-04-06 1993-03-16 Magerik Ltd. Seating
US5727845A (en) * 1993-07-29 1998-03-17 Flight Equipment And Engineering Limited Armrest arrangements in convertible aircraft passenger seating
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Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100453663B1 (ko) * 1998-02-12 2004-10-20 알스톰 트랜스포트 에스에이 일등석 n-1인승 시트와 이등석 n인승 시트 사이에서 전환 가능한 시트와 그 시트의 전환 방법
US20060238004A1 (en) * 2005-04-12 2006-10-26 Conner John P Modular seating system
US7766425B2 (en) * 2005-04-22 2010-08-03 Intier Automotive Inc. Bench seat with movable bolsters
US20080191533A1 (en) * 2005-04-22 2008-08-14 Poniatowski Jeffrey J Bench Seat with Movable Bolsters
US20070194174A1 (en) * 2005-09-07 2007-08-23 Jurgen Baumann Seating system for passenger service vehicles, for aircraft in particular
US7469964B2 (en) * 2005-09-07 2008-12-30 Recaro Aircraft Seating Gmbh & Co. Kg Seating system for passenger service vehicles, for aircraft in particular
US20070267543A1 (en) * 2006-05-17 2007-11-22 Boren Kelly L Lightweight aircraft passenger seat with composite construction
US7954762B2 (en) * 2006-05-17 2011-06-07 The Boeing Company Lightweight aircraft passenger seat with composite construction
US20100187894A1 (en) * 2006-12-22 2010-07-29 The Boeing Company Composite Seat Pan Structure For A Lightweight Aircraft Seat Assembly
US8336965B2 (en) 2006-12-22 2012-12-25 The Boeing Company Composite seat pan structure for a lightweight aircraft seat assembly
US8528861B2 (en) 2008-10-31 2013-09-10 The Boeing Company Adjustable width seats
US20100109400A1 (en) * 2008-10-31 2010-05-06 Kneller Heidi J Adjustable width seats
US8028958B2 (en) * 2008-10-31 2011-10-04 The Boeing Company Adjustable width seats
US8186760B2 (en) * 2008-10-31 2012-05-29 The Boeing Company Adjustable width seats
US20100109413A1 (en) * 2008-10-31 2010-05-06 Kneller Heidi J Adjustable width seats
US8550564B1 (en) 2010-04-01 2013-10-08 The Boeing Company Composite seat pan structure for a lightweight aircraft seat assembly
US20120146374A1 (en) * 2010-12-09 2012-06-14 Delta Kogyo Co., Ltd. Seat structure
US20120146373A1 (en) * 2010-12-09 2012-06-14 Delta Kogyo Co., Ltd. Seat structure
US8840182B2 (en) * 2010-12-09 2014-09-23 Kyocera Document Solutions, Inc. Seat structure
US8911016B2 (en) * 2010-12-09 2014-12-16 Delta Kogyo Co., Ltd. Seat structure
US20140145481A1 (en) * 2012-11-28 2014-05-29 The Boeing Company Adjustable seat assembly
US8967723B2 (en) * 2012-11-28 2015-03-03 The Boeing Company Adjustable seat assembly
US9630717B2 (en) 2013-04-26 2017-04-25 Encore Interiors, Inc. Aircraft seating assembly with reduced spacing
USD750392S1 (en) 2013-08-20 2016-03-01 Encore Interiors, Inc. Aircraft seat
US9764844B2 (en) 2015-04-13 2017-09-19 Encore Seats, Inc. Aircraft seating assembly
US10392114B2 (en) 2015-04-13 2019-08-27 Encore Seats, Inc. Aircraft seating assembly
US10144515B2 (en) 2016-04-01 2018-12-04 Encore Seats, Inc. Aircraft seating assembly and components
US10988260B2 (en) * 2018-08-17 2021-04-27 Airbus Operations Gmbh Seat group arrangement for a passenger cabin of an aircraft
GB2579809A (en) * 2018-12-14 2020-07-08 Safran Seats Gb Ltd A kit of parts for assembling an aircraft seat unit
US11498683B2 (en) 2018-12-14 2022-11-15 Safran Seats GB Limited Kit of parts for assembling an aircraft seat unit
GB2579809B (en) * 2018-12-14 2023-04-12 Safran Seats Gb Ltd A kit of parts for assembling an aircraft seat unit

Also Published As

Publication number Publication date
ES2207128T3 (es) 2004-05-16
EP0936121A1 (fr) 1999-08-18
EP0936121B1 (fr) 2003-09-03
FR2774645A1 (fr) 1999-08-13
KR19990072658A (ko) 1999-09-27
DE69910859T2 (de) 2004-07-08
JPH11334699A (ja) 1999-12-07
FR2774645B1 (fr) 2003-12-05
KR100453663B1 (ko) 2004-10-20
DE69910859D1 (de) 2003-10-09
CA2260313C (fr) 2006-10-10
CA2260313A1 (fr) 1999-08-12

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